nitrogen cycle Flashcards
1
Q
nitrogen function
A
to make proteins
2
Q
nitrogen fixing bacteria
A
convert N2 gas into ammonium compounds which can then be converted to usable nitrates
3
Q
where to find nitrogren fixing bacteria
A
free-living in soil or root nodules
4
Q
nitrification
A
turning ammonia to nitrates via nitrifying bacteria
5
Q
denitrification
A
converting nitrates to nitrogen via. dentrifying bacteria
6
Q
how do dentitrifying bacteria work
A
anaerobic respiration in soil
7
Q
nitrogen fixation
A
nitrogen gas in air into ammonia or ammonium in soil, via bacteria
8
Q
how does nitrogen fixation work
A
lighting + nitrogen fixing bacteria
9
Q
where is nitrogen found in animals
A
in their waste
10
Q
when are nitrates taken up
A
during assimiliation in plants
